Aids for laryngectomised and tracheostomised patients, especially, oil suction drainers, suction catheters and secretion containers, including the following products: equipment vehicles; filter inserts; apparatus for artificial respiration and accessories therefor, including bacteria and virus filters; aerosol dispensers, steam atomisers and inhalers for medical purposes and fittings therefor, including bacteria and virus filters, in particular being compressed air-operated and/or ultrasound-...